MEDIAN FLOW RATE · 30 DAY
929cfs 70.4% vs avg
Optimal band: 327–443 cfs
PERIOD HIGH
929cfs
PERIOD LOW
167cfs
RUNNABLE
13%
last 30 day in band
Precipitation History
Your History · Rock River near Rock Valley, IA
Track your history
Sign in to track your sessions at Rock River near Rock Valley, IA — best days, monthly trends, and time on the water.
Sign inSPONSORED
Weather Conditions
WEATHER CONDITIONS
TODAY
86°
62°
MON
89°
67°
TUE
92°
70°
WED
92°
68°
THU
88°
67°
FRI
84°
66°
SAT
90°
67°
FISH INDEX
Temperature
Too Hot
Wind
Calm
Pressure
Stable
Moon Phase
Good
DAYLIGHT
SUNRISE
05:51 AM
SUNSET
09:07 PM
15H 16M OF DAYLIGHT
MOON PHASE
Last Quarter
64% illuminated
Station Location
43.2151, -96.2950Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-06 00:00 UTC
Site #06483500·USGS
Create a free account to save favorites, set flow alerts, and track conditions
